Florida Science SSA Review

SSA review made for concepts that I am lacking in ...

Scientific Theory

A well-supported explanation that has been repeatedly tested and confirmed through experimentation and observation.

Scientific Law

Unlike theories, laws do not explain why a phenomenon occurs, but rather describe what occurs. Examples of scientific laws include the laws of thermodynamics, Newton's laws of motion, and the law of conservation of energy.

What are the 3 Principals of Cell Theory?

Cells are the basic unit of life

Every living thing is made up of cells

All cells come from pre-existing cells.

Levels of Organization from a cell → organism

Cell → Tissues → Organ → Organ Systems → Organism

List the features specific to plant cells

Cell wall provides extra support, surrounds the cell.

Chloroplast helps the plant conduct photosynthesis and gives the plant its color

Boxy in shape

One large vacuole for storage

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List the features specific to animal cells

Irregular shape

Multiple small vacuoles for storage.

Describe homeostasis and what would happen without it

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Homeostasis helps keep organisms stable and keeps cells maintained.

Homeostasis helps regulate body temperature.

Without homeostasis chemical reactions occurring withing the cell will slow down and stop.

Scientific Method

Flashcard for Scientific Method:

Scientists ask questions, gather information, make a hypothesis (what they think the outcome could be), conduct experiments, and finally observe and record the results.

Weathering

Provide instances of both chemical and physical weathering.

The breakdown of rocks and minerals due to wind, water, and temperature. EX: Chemical weathering, acid rain carving rock. Physical weathering, rocks breaking due to ice wedging.

Erosion

The gradual wearing away and moving of sediment by natural forces such as wind, water, and ice.

Compositional layers of Earth

How are they determined?

The compositional layers of the Earth are the crust, mantle, and core.

These layers are determined by their chemical properties (their materials and elements)

Mechanical layers of Earth

How are they determined?

The mechanical layers of the Earth are the lithosphere, asthenosphere, mesosphere, and the inner and outer core.

These layers are determined by their physical properties. (How they behave due to pressure and heat.)

Convergent boundary → ←

A convergent boundary is a type of tectonic plate boundary where two plates move towards each other, resulting in the collision or subduction of one plate beneath the other. This can lead to the formation of mountain ranges, volcanic activity, subduction zones, earthquakes, and trenches.

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Divergent Boundary ←→

A divergent boundary is a type of tectonic plate boundary where two plates move away from each other. This can result in the formation of rift valleys and mid-ocean ridges.

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Transform Boundary _-

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A type of tectonic boundary where two plates slide past each other horizontally. It causes earthquakes and can form features such as fault lines and valleys.

Oceanic and Continental Plates

Continental plates are thicker than oceanic plates.

Oceanic plates are dense so they subduct under continental plates. This usually results in a trench.

Unconformities

Inclusions are younger than the rocks they cut across.

Mitosis

Aesexual Reproduction

Produces body cells

Identical

1 cell division

Meiosis

Sexual Reproduction

23 chromosomes from each parent

Produces gametes one sperm and one egg cell.

2 cell divisions

Electromagnetic spectrum

Radio waves have the lowest frequency, longest wavelength, and the lowest energy.

Ultra-violet waves have the highest frequency, shortest wavelength, and the highest energy.

Properties of protons, neutrons and electrons.

PROTON- Middle mass, positive charge and located in the nucleus

NEUTRON- Most mass, neutral/no charge and located in the nucleus

ELECTRON- Least mass, negative charge, and located around the nucleus.

*You can find the amount of neutrons by subtracting the atomic number from the mass.*

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Mnemonic device for the planets behind the Sun

My very educated mother just served us noodles !!!!!

Recite Newtons laws

1. An object at rest will stay at rest unless acted upon by an unbalanced force ( something will not move until a force such as gravity or friction causes it to move)

2. Force is equal to the mass multiplied by the acceleration ( heavier objects will require more force for higher acceleration)

3. For every action there is an equal and opposite reaction ( think tug of war)